Instead of dropping some spare change in a jar, why not wire a little bit of money to a secondary account via ATM card? That's what this concept piggy bank proposes we do, which facilitates communications with your bank accounts using an iPhone, your computer, a bit of Arduino tech, and a bluetooth connection, all wrapped up in a nice wooden package. It will even tell you when it is "hungry for more money (via "facial expression"). [Zenona via Ubergizmo via Technabob]